Crapemyrtle (spp.) Crapemyrtle 'Apalachee'
Crapemyrtle 'Biloxi' Crapemyrtle 'Caddo'
Crapemyrtle 'Choctaw' Crapemyrtle 'Christiana'
Crapemyrtle 'Lipan' Crapemyrtle 'Magenta Red'
Crapemyrtle 'Miami' Crapemyrtle 'Snow Baby'
Crapemyrtle, Chinese Crapemyrtle, Coral Pink 'Tuscarora'
Crapemyrtle, Japanese (spp.) Crapemyrtle, Japanese 'Fantasy'
Crapemyrtle, Japanese 'Townhouse' Crapemyrtle, Lavender 'Muskogee'
Crapemyrtle, Red 'Dynamite®' Crapemyrtle: hirsuta
Crapemyrtle: indica (spp.) Crapemyrtle: indica 'Carolina Beauty'
Crapemyrtle: indica 'Centennial Spirit' Crapemyrtle: indica 'Dallas Red'
Crapemyrtle: indica 'Near East' Crapemyrtle: indica 'Red Rocket®'
Crapemyrtle: indica 'Red Velvet®' Crapemyrtle: indica 'Regal Red'
Crapemyrtle: speciosa, Queen's 'Cream Crackers' Dogwood
Creek Alder Crepeflower (spp.)
Crepeflower 'Carolina Beauty' Crepeflower 'Centennial Spirit'
Crepeflower 'Dallas Red' Crepeflower 'Near East'
Crepeflower 'Red Rocket®' Crepeflower 'Red Velvet®'
Crepeflower 'Regal Red' Crested Fishtail
Cretan Maple 'Crimean' Basswood
'Crimean' Hybrid Linden 'Crimean' Littleleaf Linden
Crimson Bottlebrush (spp.) 'Crimson Frost' European White Birch
'Crimson King' Norway Maple 'Crimson Prince' Japanese Maple
'Crimson Sentry' Norway Maple 'Crippsii' Hinoki False Cypress
'Crippsii' Japanese Maple 'Crispa' Japanese Cedar
'Crispum' Japanese Maple 'Cristata' European Beech
Crow's Ash Crow's Foot Elm
'Crysanthemumiflora' Star Magnolia Cuban Laurel 'Nitida'
Cuban Petticoat Palm Cuban Pink Trumpet Tree
Cuban Tamarind Cucumber Magnolia
Cucumber Tree Cucumber Tree, Large Leaved
Cucumber Tree: acuminata Cultivated Apple
'Cumulus' Allegheny Serviceberry 'Cupressiana' Norway Spruce
'Cupressifolia' Eastern Red Cedar Curry Leaf
Curtain Fig 'Nitida' Custard Apple
'Cut Leaf' European Beech 'Cut Leaf' European White Birch
'Cut Leaf' Grey Alder Cut Leaf Oriental Planetree
Cut Leaf Vitex 'Heterophylla' Cut-leaf Chastetree 'Heterophylla'
Cutleaf Crabapple (spp.) Cutleaf Crabapple 'Golden Raindrops®'
Cutleaf Tanbark Oak: densiflorus densiflorus